Add tests for rmdir function

test/rmdir.cpp

@@ -0,0 +1,55 @@
+#include "../src/FileSystem/FileSystem.hpp"
+#include <filesystem>
+#include <gtest/gtest.h>
+
+class RmdirTest : public testing::Test {
+protected:
+  // NOLINTBEGIN(cppcoreguidelines-non-private-member-variables-in-classes)
+  std::string const PATH = "test.fs";
+  std::uint64_t const SIZE = 2048;
+  std::uint64_t const CLUSTER_SIZE = 64;
+
+  FileSystem file_system_;
+  // NOLINTEND(cppcoreguidelines-non-private-member-variables-in-classes)
+
+  auto SetUp() -> void override {
+    FileSystem::make(PATH, {SIZE, CLUSTER_SIZE});
+    file_system_ = FileSystem(PATH);
+    file_system_.mkdir("dir1");
+    file_system_.mkdir("dir2");
+    file_system_.mkdir("dir1/dir3");
+  }
+
+  auto TearDown() -> void override { std::filesystem::remove(PATH); }
+};
+
+TEST_F(RmdirTest, RemoveEmptyDirectory) {
+  file_system_.rmdir("dir2");
+
+  auto list = file_system_.ls("/");
+  ASSERT_EQ(list.size(), 1);
+  ASSERT_EQ(list[0].get_name(), "dir1");
+}
+
+TEST_F(RmdirTest, RemoveNestedEmptyDirectory) {
+  file_system_.rmdir("dir1/dir3");
+
+  auto list = file_system_.ls("dir1");
+  ASSERT_EQ(list.size(), 0);
+}
+
+TEST_F(RmdirTest, RemoveNonExistingDirectory) { ASSERT_THROW(file_system_.rmdir("dir3"), std::invalid_argument); }
+
+TEST_F(RmdirTest, RemoveRootDirectory) { ASSERT_THROW(file_system_.rmdir("/"), std::invalid_argument); }
+
+TEST_F(RmdirTest, RemoveCurrentWorkingDirectory) {
+  file_system_.cd("dir2");
+  ASSERT_THROW(file_system_.rmdir("."), std::invalid_argument);
+}
+
+TEST_F(RmdirTest, RemoveDirectoryWithFile) {
+  file_system_.touch("dir2/file1");
+  ASSERT_THROW(file_system_.rmdir("dir2"), std::invalid_argument);
+}
+
+TEST_F(RmdirTest, RemoveDirectoryWithDirectory) { ASSERT_THROW(file_system_.rmdir("dir1"), std::invalid_argument); }